Home » Which of the following does not act as a neurotransmitter? Human Brain MCQs Which of the following does not act as a neurotransmitter? December 31, 2021 10 Views Q. Which of the following does not act as a neurotransmitter? A. Acetylcholine B. Epinephrine C. Norepinephrine D. Cortisone Answer: Cortisone